JDownloader has several different ways to display and solve captchas.
Some of them work fully automated, others require interaction.
If you want to enable or disable some or all solvers quickly, read
To get what you want, you can ad...
WHY DOES JD OPEN MY BROWSER?
Some captcha types require a browser environment (Javáscript,
Cookies, Flash, ...) to get solved. Others are much easier to solve if
we use the browser. There are two different ways of using the
1) BROWSER LOOP
Some people asked to restore the old Jdownloader 09 Captcha Dialog
Look and Feel.
Open Settings->Advanced Settings and change these keys:
GRAPHICALUSERINTERFACESETTINGS: CAPTCHA DIALOG BORDER AROUND IMAGE